86 lines
2.9 KiB
C++
86 lines
2.9 KiB
C++
/** @file ICollector_Xfer.hpp
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*
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* @author Roland Conybeare, 2025
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**/
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#pragma once
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#include "ACollector.hpp"
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#include "AGCObject.hpp"
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namespace xo {
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namespace mm {
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/** @class ICollector_Xfer
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*
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* Adapts typed ACollector implementation @tparam ICollector_DRepr
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* to type-erased @ref ACollector interface
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*
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* See for example
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* @ref ICollector_DX1Collector
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**/
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template <typename DRepr, typename ICollector_DRepr>
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struct ICollector_Xfer : public ACollector {
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public:
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using Impl = ICollector_DRepr;
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using size_type = ACollector::size_type;
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static const DRepr & _dcast(Copaque d) { return *(const DRepr *)d; }
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static DRepr & _dcast(Opaque d) { return *(DRepr *)d; }
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// from ACollector
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// const methods
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typeseq _typeseq() const noexcept override { return s_typeseq; }
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size_type allocated(Copaque d, generation g, role r) const noexcept override {
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return I::allocated(_dcast(d), g, r);
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}
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size_type reserved(Copaque d, generation g, role r) const noexcept override {
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return I::reserved(_dcast(d), g, r);
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}
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size_type committed(Copaque d, generation g, role r) const noexcept override {
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return I::committed(_dcast(d), g, r);
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}
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bool is_type_installed(Copaque d, typeseq tseq) const noexcept override {
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return I::is_type_installed(_dcast(d), tseq);
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}
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// non-const methods
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bool install_type(Opaque d, const AGCObject & iface) override {
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return I::install_type(_dcast(d), iface);
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}
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void add_gc_root_poly(Opaque d, obj<AGCObject> * p_root) override {
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I::add_gc_root_poly(_dcast(d), p_root);
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}
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void remove_gc_root_poly(Opaque d, obj<AGCObject> * p_root) override {
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I::remove_gc_root_poly(_dcast(d), p_root);
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}
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void request_gc(Opaque d, generation upto) override {
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I::request_gc(_dcast(d), upto);
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}
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void forward_inplace(Opaque d,
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AGCObject * lhs_iface, void ** lhs_data) override {
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I::forward_inplace(_dcast(d), lhs_iface, lhs_data);
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}
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private:
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using I = Impl;
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public:
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static typeseq s_typeseq;
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static bool _valid;
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};
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template <typename DRepr, typename ICollector_DRepr>
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xo::facet::typeseq
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ICollector_Xfer<DRepr, ICollector_DRepr>::s_typeseq = facet::typeseq::id<DRepr>();
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template <typename DRepr, typename ICollector_DRepr>
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bool
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ICollector_Xfer<DRepr, ICollector_DRepr>::_valid = facet::valid_facet_implementation<ACollector, ICollector_Xfer>();
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} /*namespace mm*/
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} /*namespace xo*/
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/* end ICollector_Xfer.hpp */
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